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Surgical treatment of hypothalamic hamartomas. Neurosurg Rev 2020; 44:753-762. [PMID: 32318922 DOI: 10.1007/s10143-020-01298-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/29/2020] [Accepted: 03/31/2020] [Indexed: 12/15/2022]
Abstract
Hypothalamic hamartomas are aberrant masses, composed of abnormally distributed neurons and glia. Along endocrine and cognitive symptoms, they may cause epileptic seizures, including the specific gelastic and dacrystic seizures. Surgery is the treatment of drug-resistant hamartoma epilepsy, with associated positive results on endocrine, psychiatric, and cognitive symptoms. Recently, alternatives to open microsurgical treatment have been proposed. We review these techniques and compare their efficacy and safety. Open resection or disconnection of the hamartoma, either through pterional, transcallosal, or transventricular approach, leads to good epileptological control, but its high complication rate, up to 30%, limits its indications. The purely cisternal peduncular forms remain the only indication of open, pterional approach, while other strategies have been developed to overcome the neurological, endocrine, behavioral, or cognitive complications. Laser and radiofrequency thermocoagulation-based disconnection through robot-guided stereo-endoscopy has been proposed as an alternative to open microsurgical resection and stereotactic destruction. The goal is to allow safe and complete disconnection of a possibly complex attachment zone, through a single intraparenchymal trajectory which allows multiple laser or radiofrequency probe trajectory inside the ventricle. The efficacy was high, with 78% of favorable outcome, and the overall complication rate was 8%. It was especially effective in patients with isolated gelastic seizures and pure intraventricular hamartomas. Stereotactic radiosurgery has proved as efficacious and safer than open microsurgery, with around 60% of seizure control and a very low complication rate. Multiple stereotactic thermocoagulation showed very interesting results with 71% of seizure freedom and 2% of permanent complications. Stereotactic laser interstitial thermotherapy (LiTT) seems as effective as open microsurgery (from 76 to 81% of seizure freedom) but causes up to 20% of permanent complications. This technique has however been highly improved by targeting only the epileptogenic onset zone in the hamartoma, as shown on preoperative functional MRI, leading to an improvement of epilepsy control by 45% (92% of seizure freedom) with no postoperative morbidity. All these results suggest that the impact of the surgical procedure does not depend on purely technical matters (laser vs radiofrequency thermocoagulation or stereotactic vs robot-guided stereo-endoscopy) but relies on the understanding of the epileptic network, including inside the hamartoma, the aim being to plan an effective disconnection or lesion of the epileptogenic part while sparing the adjacent functional structures.
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Modification EEG au cours d’une encéphalite aiguë chez des enfants ayant une encéphalopathie épileptique. Neurophysiol Clin 2019. [DOI: 10.1016/j.neucli.2019.05.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Effect of Mycobacterium avium subsp. paratuberculosis (MAP) infection on the diagnostic accuracy for Mycobacterium bovis (M. bovis) infection under field conditions in cattle belonging to low M. bovis prevalence herds. Trop Anim Health Prod 2017; 49:771-775. [DOI: 10.1007/s11250-017-1259-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 02/23/2017] [Indexed: 12/28/2022]
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Helminths of Milvago chimango temucoensis (Aves: Falconiformes) from Los Ríos Region, Chile: New Records for Neotropical Raptors. Helminthologia 2016. [DOI: 10.1515/helmin-2016-0037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Summary
The goal of the present survey was to improve the scarce knowledge regard the endoparasites of raptors in Chile and South America. Thus, necropsy was performed on 14 chimango caracara Milvago chimango temucoensis from Los Ríos Region, Chile. From all examined birds, 78.6% were positive to helminths. The species identified were Capillaria tenuissima, Pterothominx sp., Baruscapillaria falconis, Cosmocephalus obvelatus, Skrjabinoclava sp., Synhimantus (Dispharynx) nasuta, Synhimantus (D.) sp., Synhimantus (Synhimantus) sp., Paracuaria adunca, Procyrnea spinosa, Porrocaecum depressum, Contracaecum rudolphii sensu lato, Stephanoprora sp. and Polymorphus mutabilis. All species listed, with the exception of C. tenuissima, P. spinosa and P. depressum, are new records for the chimango caracara. Furthermore C. obvelatus, Skrjabinoclava sp., S. (D.) nasuta, S. (D.) sp., P. adunca, C. rudolphii s. l., Stephanoprora sp. and P. mutabilis all are new records for Neotropical raptors.
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[Sandifer's syndrome in a 5-month-old child with suspicion of infantile spasms]. Arch Pediatr 2015; 23:159-62. [PMID: 26697813 DOI: 10.1016/j.arcped.2015.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 07/20/2015] [Accepted: 11/05/2015] [Indexed: 11/29/2022]
Abstract
Sandifer's syndrome is a dystonic movement disorder in infants with gastroesophageal reflux (GER). It is probably misdiagnosed as epileptic seizures. We report the case of a 5-month-old infant with no past medical history admitted to a pediatric unit for suspicion of infantile spasms. She presented with dystonic movements of the upper left limb with left blepharospasm and an occasional dystonic head posture. Physical examination, EEG, brain MRI, and blood analysis were normal. Since the baby experienced regurgitations, Sandifer's syndrome was suspected and confirmed by 24-h esophageal pH monitoring that documented pathological GER. The dystonic symptoms quickly disappeared under treatment with thickened infant formula and sodium alginate. Infantile spasms remain the first diagnosis to explore with axial or para-axial dystonic postural events. Sandifer's syndrome should be retained when neurological investigations are normal and abnormal movements disappear under treatment of proven GER. Prognosis is excellent.
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Unusual cutaneous features associated with a heterozygous gain-of-function mutation in IFIH1: overlap between Aicardi-Goutières and Singleton-Merten syndromes. Br J Dermatol 2015; 173:1505-13. [PMID: 26284909 DOI: 10.1111/bjd.14073] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2015] [Indexed: 12/17/2022]
Abstract
Cutaneous lesions described as chilblain lupus occur in the context of familial chilblain lupus or Aicardi-Goutières syndrome. To date, seven genes related to Aicardi-Goutières syndrome have been described. The most recently described encodes the cytosolic double-stranded RNA receptor IFIH1 (also known as MDA5), a key component of the antiviral type I interferon-mediated innate immune response. Enhanced type I interferon signalling secondary to gain-of-function mutations in IFIH1 can result in a range of neuroinflammatory phenotypes including classical Aicardi-Goutières syndrome. It is of note that none of the patients with a neurological phenotype so far described with mutations in this gene was reported to demonstrate cutaneous involvement. We present a family segregating a heterozygous pathogenic mutation in IFIH1 showing dermatological involvement as a prominent feature, variably associated with neurological disturbance and premature tooth loss. All three affected individuals exhibited increased expression of interferon-stimulated genes in whole blood, and the mutant protein resulted in enhanced interferon signalling in vitro, both in the basal state and following ligand stimulation. Our results further extend the phenotypic spectrum associated with mutations in IFIH1, indicating that the disease can be confined predominantly to the skin, while also highlighting phenotypic overlap with both Aicardi-Goutières syndrome and Singleton-Merten syndrome.
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Mutation of SLC9A1, encoding the major Na+/H+ exchanger, causes ataxia-deafness Lichtenstein-Knorr syndrome. Hum Mol Genet 2014; 24:463-70. [DOI: 10.1093/hmg/ddu461] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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[Assessment of education needs of adolescents and parents of children with epilepsy]. Rev Neurol (Paris) 2012; 169:67-75. [PMID: 22703612 DOI: 10.1016/j.neurol.2012.03.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Revised: 01/12/2012] [Accepted: 03/21/2012] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Education program for patients (EPP) is now a part of the management of patients with chronic disease. According to WHO, the EPP is designed to help patients to maintain or gain self-care skills and adaptive skills necessary to improve their health and their quality of life. Patient education programs have been developed in recent years in several chronic diseases such as diabetes and asthma. In the field of epilepsy, however, adult and child programs have been developed only recently in France. We evaluate the interests for the establishment of an EPP and the topics that the parents and the adolescents would like to be discussed in such courses. METHODS We conducted a qualitative survey, based on interviews of parents of epileptic children and adolescents. The survey was conducted between April and November 2010 in pediatric neurology services of four French university hospitals: Amiens, Nancy, Marseille, and in Robert Debré (Paris) hospital. We investigated the following issues: treatment and self-management, and seizure management, psychosocial difficulties related to epilepsy, anatomical and physiological knowledge of epilepsy and lifestyle. RESULTS Two topics seem to have the greatest interest for parents of children with epilepsy and adolescents: knowledge about seizures and knowledge of anatomy and physiology of the brain. Adolescents involved in this study gave consistently lower scores in all items compare to parents of children. CONCLUSION The medical management of children and adolescents with epilepsy, and their caregivers, is a comprehensive care including the EPP in order to provide a full management of all issues raised by epilepsy. The survey identified key-points that parents and their children would like to learn in an EPP. These data would be helpful to design an EPP.
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Mutation update for the CSB/ERCC6 and CSA/ERCC8 genes involved in Cockayne syndrome. Hum Mutat 2010; 31:113-26. [PMID: 19894250 DOI: 10.1002/humu.21154] [Citation(s) in RCA: 163] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cockayne syndrome is an autosomal recessive multisystem disorder characterized principally by neurological and sensory impairment, cachectic dwarfism, and photosensitivity. This rare disease is linked to mutations in the CSB/ERCC6 and CSA/ERCC8 genes encoding proteins involved in the transcription-coupled DNA repair pathway. The clinical spectrum of Cockayne syndrome encompasses a wide range of severity from severe prenatal forms to mild and late-onset presentations. We have reviewed the 45 published mutations in CSA and CSB to date and we report 43 new mutations in these genes together with the corresponding clinical data. Among the 84 reported kindreds, 52 (62%) have mutations in the CSB gene. Many types of mutations are scattered along the whole coding sequence of both genes, but clusters of missense mutations can be recognized and highlight the role of particular motifs in the proteins. Genotype-phenotype correlation hypotheses are considered with regard to these new molecular and clinical data. Additional cases of molecular prenatal diagnosis are reported and the strategy for prenatal testing is discussed. Two web-based locus-specific databases have been created to list all identified variants and to allow the inclusion of future reports (www.umd.be/CSA/ and www.umd.be/CSB/).
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Impact du dépistage anténatal des agénésies du corps calleux sur le devenir des grossesses. Étude de 155 dossiers de 2000 à 2006. Arch Pediatr 2010; 17:226-32. [DOI: 10.1016/j.arcped.2009.10.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2008] [Revised: 10/14/2009] [Accepted: 10/28/2009] [Indexed: 11/30/2022]
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Cryptic 7q21 and 9p23 deletions in a patient with apparently balanced de novo reciprocal translocation t(7;9)(q21;p23) associated with a dystonia-plus syndrome: paternal deletion of the epsilon-sarcoglycan (SGCE) gene. J Hum Genet 2008; 53:876-885. [DOI: 10.1007/s10038-008-0321-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2008] [Accepted: 06/27/2008] [Indexed: 12/11/2022]
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Mort subite du nourrisson: des pistes de recherche aux réalités du terrain. Arch Pediatr 2007; 14:624-6. [PMID: 17416501 DOI: 10.1016/j.arcped.2007.02.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2007] [Accepted: 02/27/2007] [Indexed: 10/23/2022]
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Pure de-novo 5 Mb duplication at Xp11.22-p11.23 in a male: phenotypic and molecular characterization. J Hum Genet 2006; 51:815. [PMID: 16900295 DOI: 10.1007/s10038-006-0023-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2006] [Accepted: 05/23/2006] [Indexed: 10/24/2022]
Abstract
Males with duplications within the short arm of the X chromosome are rare and most cases are inherited from a maternal heterozygote. Here we describe the first detailed characterization of a de-novo Xp duplication delineated to Xp11.22-->Xp11.23 in a 15-year-old male with moderate mental impairment, autistic-like behaviour, short stature, and mild dysmorphic features. Chromosome analysis (550 band resolution) was normal and comparative genomic hybridization (CGH) analysis on metaphase spreads detected duplication on Xp11. Further characterization of the duplication by array CGH, FISH experiments with specific BAC probes, and genotyping with microsatellite markers helped to determine proximal and distal breakpoints giving a size of the duplication of approximately 5 Mb. As far as we are aware this is the first described male with isolated microduplication on Xp11.22-Xp11.23. Among the genes included within the duplicated region, and particularly those which are outside copy number polymorphisms, we discuss the relationship of FTSJ1, PQBP1 and HDAC6 with the clinical symptoms of our patient.
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Abstract
INTRODUCTION Unilateral spinal and accessory palsy is uncommon in children. The main problem is the extensive exploration undertaken to achieve etiological diagnosis. OBSERVATION We report two cases of transitory, unilateral, spinal and accessory palsy, associated in one case with homolateral hemi-pharyngeal palsy, that occurred in two previously healthy children. RESULTS Few reports have been published in the literature to date. From those two cases and data of the literature, we suggest that the clinical presentation results from idiopathic peripheral nerve palsy. CONCLUSION Further case reports would be useful to confirm the benign nature of this syndrome so that complementary investigations may be limited in future cases with a similar presentation.
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Traitements au long cours des épilepsies de l’enfant. Rev Neurol (Paris) 2004. [DOI: 10.1016/s0035-3787(04)71208-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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[Long-term therapy in childhood epilepsy]. Rev Neurol (Paris) 2004; 160 Spec No 1:5S272-9. [PMID: 15331975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Recommendations for treatment of pediatric epileptic patients issued by three different sources are analyzed. 1) The review on treatment-resistant epilepsy published in 2003 by the Agency for Healthcare Research and Quality. 2) Articles written by the Cochrane Epilepsy Group available in January 2004. 3) A personal review of papers presenting a pediatric interest published between 1998 and 2003. Most of the data are related to the use of new anti-epileptic drugs. The therapeutic effect can be evaluated only when considering the etiology or the epileptic syndrome. Few studies have been devoted to the therapeutic benefit in terms of the child's quality-of-life.
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[Criteria for treatment-resistant epilepsy: the neuro-pediatrician's position]. Rev Neurol (Paris) 2004; 160 Spec No 1:5S48-52. [PMID: 15331948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
Treatment-resistant epilepsy, a very currently evoked concept in the literature, is frequently discussed in clinical practice. However, is there any valid definition for it? The large bibliography study of the Agency for Healthcare Research and Quality published in 2003 does not provide any consensual definition. Moreover, it points out the heterogeneous nature of the considered criteria. We report an expert's position on these criteria and the data related to the risk factors for treatment-resistance in the pediatric population.
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Myocardite grave à parvovirus bi9 d'évolution favorable. Arch Pediatr 1999. [DOI: 10.1016/s0929-693x(99)81723-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Prise en charge thérapeutique et évolution des gliomes de bas grade de l'enfant: étude unicentrique portant sur 53 cas. Arch Pediatr 1997. [DOI: 10.1016/s0929-693x(97)86705-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Association between drinking water disinfection and somatic parameters at birth. ENVIRONMENTAL HEALTH PERSPECTIVES 1996; 104:516-20. [PMID: 8743439 PMCID: PMC1469350 DOI: 10.1289/ehp.96104516] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
We conducted an epidemiological study in Liguria, Italy, on the association between somatic parameters at birth and drinking water disinfection with chlorine dioxide and/or sodium hypochlorite. Over 2 years (1988-1989), 676 births at two public hospitals, one in Genoa (548 cases) and another in Chiavari (128 cases) were examined and data regarding both mother and child were obtained from hospital records. Results indicate a higher frequency of small body length (< or = 49.5 cm) and small cranial circumference (< or = 35 cm) in infants born to mothers who drank water treated with chlorine compounds. In particular, the statistical analysis (by simultaneous variance analysis and Scheffé test) indicated that there may be an association between infants with smaller body length and mothers who drank water treated with chlorine dioxide [adjusted odds radio (OR) = 2.0; 95% CI = 1.2-3.3] or sodium hypoclorite (adjusted OR = 2.3; 95% CI = 1.3-4.2) and between infants with smaller cranial circumference and mothers who drank water treated with chlorine dioxide (adjusted OR = 2.2; 95% CI = 1.4-3.9) or sodium hypochlorite (adjusted OR = 3.5; 95% CI = 2.1-8.5). The presence of neonatal jaundice is almost twice as likely (adjusted OR = 1.7; 95% CI = 1.1-3.1) in infants whose mothers drank water treated with chlorine dioxide.
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[Possible correlations between urinary cadmium and fetal growth retardation in pregnant women who smoke]. MINERVA GINECOLOGICA 1989; 41:85-8. [PMID: 2747999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The results of a study on Ligurian women at the third day of puerperium are presented. The data obtained from the analysis of urinary cadmium levels in puerperae are related to their smoking habits and to the newborn weight. We found that women who smoked during pregnancy run the risk of giving birth to small-weight children one-and-a-half times higher than women who didn't smoke; moreover, cadmium levels in the urine of the women who smoked are higher too. The cadmium levels in urine on average are higher in women who gave birth to small-weight children, independently of smoke habits. We didn't find a significant relationship between cadmium levels in urine and newborn weight.
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